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PUT
Update member
Use this endpoint to update a members attributes. Only the credentials, id, and metadata parameters can be updated. To get a list of the required credentials for the member, use the list member credentials endpoint.

Authorizations

Authorization
string
header
required

To authenticate with the Platform API, include your Base64-encoded client_id and api_key in the Authorization header of every request: -H 'Authorization: Basic BASE_64_ENCODING_OF{client_id:api_key}'

Headers

Accept-Version
string
default:v20250224
required

MX Platform API version.

Example:

"v20250224"

X-CALLBACK-PAYLOAD
string

The base64 encoded string defined in this header will be returned in the Member and Member Data Updated webhooks. This allows you to trace user interactions and workflows initiated externally and internally in the MX Platform. Max 1024 characters.

Path Parameters

member_identifier
string
required

Use either the member id you defined or the MX-defined member guid. See MX-Defined GUIDs vs IDs Defined by You.

user_identifier
string
required

Use either the user id you defined or the MX-defined user guid. See MX-Defined GUIDs vs IDs Defined by You​.

Body

application/json

Member object to be updated (While no single parameter is required, the request body can't be empty)

member
object

Response

200 - application/json

OK

member
object